NXP Semiconductors MC56F82733MFM

Overview

MC56F82733MFM from NXP Semiconductors is a 32-bit digital signal controller (DSC) based on the 56800EX core, operating at up to 100 MHz in fast mode and delivering 100 MIPS. It integrates dual 12-bit ADCs (8-channel each), two 12-bit DACs, four analog comparators with 6-bit DAC references, an eFlexPWM module with 8 high-resolution outputs, and supports industrial motor control, switched-mode power supplies, and photovoltaic systems.

For engineers reviewing the MC56F82733MFM datasheet, MC56F82733MFM pinout, MC56F82733MFM application, or MC56F82733MFM equivalent, key selection considerations include its M-temperature grade (–40°C to +125°C), 48 KB flash / 8 KB RAM configuration, 64-pin LQFP package, and integrated MSCAN, QSCI, QSPI, and I²C interfaces for real-time embedded control.

Technical Context

The MC56F82733MFM implements the 56800EX core with modified dual-Harvard architecture-three address buses, four data buses (two 32-bit primary), and support for concurrent instruction fetches and dual data accesses per cycle. Its unified DSP/MCU architecture enables efficient C compilation and zero-overhead context switching via full register stack shadowing.

Peripherals are interconnected via dual inter-module crossbar switches supporting hardware-triggered ADC-PWM synchronization, fault-aware eFlexPWM with 8 fault inputs and programmable deadtime, and independent clock domains for PIT, COP, and EWM sourced from 200 kHz ROSC or 8 MHz relaxation oscillator.

Key Specifications

Pinout & Package

MC56F82733MFM is housed in a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Power integrity is maintained via separate VDD/VSS (I/O) and VDDA/VSSA (analog) rails, plus a dedicated VCAP pin requiring a 2.2 µF bypass capacitor to ground. JTAG/EOnCE debug interface uses TDI, TDO, TCK, and TMS pins with internal pull-up/pull-down resistors enabled at reset.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital signal controller applications.

Compared with MC56F82733MFM, MC56F82743VFM offers greater memory headroom and CAN capability at the expense of higher BOM cost, while MC56F82733VFM provides identical functionality in a lower-temperature-grade package-making it viable for non-automotive thermal environments without sacrificing pin compatibility or peripheral features.

Availability

MC56F82733MFM is available at Aetrix Electronics and suitable for industrial motor control, photovoltaic inverters, and uninterruptible power supplies requiring stable component supply, long-term lifecycle support, and automotive-grade thermal resilience.

Supply support for MC56F82733MFM includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in microcontrollers, RF, and analog technologies.

The MC56F827xx family was designed specifically for high-performance, real-time embedded control in thermally demanding environments-integrating DSP-level computation with MCU usability and industrial-grade robustness for motor, power, and energy systems.

FAQ

What is the maximum operating frequency and processing performance of the MC56F82733MFM?

The MC56F82733MFM operates at up to 100 MHz in fast mode, delivering 100 million instructions per second (MIPS). This performance stems from its 56800EX core's dual-Harvard architecture, which enables concurrent instruction fetches and dual data accesses per cycle-critical for deterministic execution of motor control and power conversion algorithms within tight timing windows.

Does the MC56F82733MFM support CAN communication, and if so, what version and data rate?

Yes, the MC56F82733MFM includes an integrated Modular/Scalable Controller Area Network (MSCAN) module compliant with CAN protocol Version 2.0 A/B. It supports standard and extended frames, remote frames, and programmable bit rates up to 1 Mbit/s-enabling direct connection to industrial CAN networks without external transceivers.

What are the analog input capabilities of the MC56F82733MFM, and how are they configured?

The MC56F82733MFM features two independent 12-bit cyclic ADCs, each with 8 external input channels and a programmable x1/x2/x4 gain amplifier. Inputs support single-ended and differential acquisition modes, and conversions can be triggered by PWM reload, timer compare, or GPIO events via the inter-module crossbar-ensuring precise synchronization with power stage switching.

What is the temperature rating of the MC56F82733MFM, and how does it impact system design?

The MC56F82733MFM carries the M temperature grade, specifying operation from –40°C to +125°C. This extended range allows deployment in high-ambient environments such as under-hood automotive subsystems, outdoor solar inverters, and industrial motor drives-reducing need for active cooling and enabling simplified thermal management in sealed enclosures.

How does the MC56F82733MFM handle system safety and fault response in real-time control applications?

The MC56F82733MFM incorporates multiple hardware safety mechanisms: a windowed COP watchdog with selectable clock sources, an External Watchdog Monitor (EWM) with independent safe-mode output (EWM_OUT_b), and eFlexPWM fault inputs that force immediate PWM shutdown with configurable recovery. These features meet functional safety requirements for EN60730 and IEC61508 compliance in motor and power systems.